Gelectrode

The untap clause is the entire design: a pinger that fires once per turn is a curiosity, but one that resets every time you cast an instant or sorcery turns the spell-density of an Izzet deck into a damage faucet. Each cantrip, each burn spell, each bounce spell becomes a free ping on top of its own effect, and a turn with three or four cheap spells reads as three or four points before any of them resolve. That structure rewards exactly the deckbuilding axis Izzet was built to express: cheap interaction, replaceable card advantage, a critical mass of one-mana spells that would otherwise do nothing to the board. The 0/1 body is the price of admission, and a brutal one: a single point of incidental damage erases the whole engine, so the card's safety lives entirely in the fact that it never has to enter combat to do its job. This is repeatable, spell-fueled reach that anchors a "cast cheap spells, win incrementally" plan, the lineage that later designs like Guttersnipe and Young Pyromancer would explore through different reward structures (burst damage, token bodies) rather than the slow taps-and-untaps grind this one runs on. The ping can go to face or to creatures, which keeps it relevant across the spectrum from racing aggro to attrition: the same activation that closes out a tempo game can clear a steady stream of small blockers while the rest of the deck assembles its plan.